The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 26, 1987

Filed:

Aug. 02, 1985
Applicant:
Inventor:

Samuel Greenhalgh, Doylestown, PA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C / ;
U.S. Cl.
CPC ...
244 46 ; 244 47 ; 244 48 ; 244 49 ; 244219 ;
Abstract

A remotely piloted vehicle is provided with single surface membranous airls controllable in flight. The airfoils are selectively deployed from a stowed position on either side within the fuselage by spars attached to the leading edges. Pivotal members attached to the root edges of the airfoils are positioned to regulate twist distribution, angle of attack, root camber ratio and root camber distribution.


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Greenhalgh, Samuel. (1987). Aircraft with single surface membranous airfoils (U.S. Patent No. 4667898). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4667898

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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